/Engine/Source/Editor/GameProjectGeneration/Public/GameProjectUtils.h
Generates a module .cpp file, intended for plugin use
static bool GeneratePluginModuleCPPFile ( const [FString](API\Runtime\Core\Containers\FString) & CPPFileName, const [FString](API\Runtime\Core\Containers\FString) & ModuleName, const [FString](API\Runtime\Core\Containers\FString) & StartupSourceCode, [FText](API\Runtime\Core\Internationalization\FText) & OutFailReason )